Convertible humidifier



FIG. 1 is a first perspective view of a convertible humidifier showing my new design;

FIG. 2 is a first front side view thereof;

FIG. 3 is a first rear side view thereof;

FIG. 4 is a first left side view thereof;

FIG. 5 is a first right side view thereof;

FIG. 6 is a first top plan view thereof;

FIG. 7 is a first bottom plan view thereof;

FIG. 8 is a second perspective view of the convertible humidifier showing my new design;

FIG. 9 is a second front side view thereof;

FIG. 10 is a second rear side view thereof;

FIG. 11 is a second left side view thereof;

FIG. 12 is a second right side view thereof;

FIG. 13 is a second top plan view thereof;

FIG. 14 is a second bottom plan view thereof;

FIG. 15 is a third perspective view of the convertible humidifier showing my new design;

FIG. 16 is a third front side view thereof;

FIG. 17 is a third rear side view thereof;

FIG. 18 is a third left side view thereof;

FIG. 19 is a third right side view thereof;

FIG. 20 is a third top plan view thereof;

FIG. 21 is a third bottom plan view thereof; and,

FIG. 22 is a fourth perspective view of the convertible humidifier showing my new design.

The broken lines are included for the purpose of illustrating portions of the humidifier that forms no part of the claimed design. 

CLAIM The ornamental design for a convertible humidifier, as shown and described. 